CN103671678B - The oscillating motor proportional control buffer system of articulator and control and correction oil injection method - Google Patents
The oscillating motor proportional control buffer system of articulator and control and correction oil injection method Download PDFInfo
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- CN103671678B CN103671678B CN201310713164.4A CN201310713164A CN103671678B CN 103671678 B CN103671678 B CN 103671678B CN 201310713164 A CN201310713164 A CN 201310713164A CN 103671678 B CN103671678 B CN 103671678B
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Abstract
The present invention relates to a kind of oscillating motor proportional control buffer system of articulator and control and correction oil injection method, the cylinder barrel that this buffer system comprises tooth bar, the gear be fixedly connected with side arm and is fixedly connected with after-frame, oil storage disc is formed between gear and tooth bar, the piston that the two ends of tooth bar are all arranged stretches in cylinder barrel, and cylinder barrel is connected with integrated package with oil storage disc; Switching in the method between electric control system controls Stress control oil circuit; This correction oil injection method is completed by force feed.Have employed the buffer system of this structure, compact structure, control accurately, overall stress balance, the torque drive arm of force is fixed, failure rate is low; This controlling method can guarantee the safety of whole system, can not produce the phenomenon of detonation, ensures the security of operation of articulated coach, even if there is outage condition, also can guarantee that vehicle safety opens carriage return station or maintenance station; This correction oil injection method is simple to operate, can be injected in oil storage disc by hydraulic oil rapidly, and the hydraulic oil that can effectively control in oil storage disc and AIR Proportional.
Description
Technical field
The present invention relates to articulated coach technical field, specifically refer to a kind of hydraulic buffer system of articulated coach chassis, corresponding controlling method and correction oil injection method.
Background technique
Articulated coach is a kind of form of passenger car, is the passenger car being connected two compartments by articulated mounting.Because urban population increases gradually, the people ridden in a bus gets more and more, and general city bus can not be satisfied the demand.People just adopt the mode of similar train train, and two joint passenger vehicles are coupled together, and like this, handling capacity of passengers just can considerably increase.Articulated vehicle is generally made up of two joint compartments, front compartment is connected by chassis hinging system with trunk, chassis hinging system comprises side arm, after-frame, turntable bearing and provides the hydraulic damping device of damping, side arm is fixedly connected with front compartment by front cross beam, after-frame is fixedly connected with trunk by rear cross beam, hydraulic damping device is very crucial for the performance of vehicle, and existing hydraulic damping device structure is mostly very complicated, and easily produces oil leakage phenomenon.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming of the prior art, a kind of compact structure be provided, control accurately, the oscillating motor proportional control buffer system of articulator that failure rate is low, Security are high and control and correction oil injection method.
For realizing above-mentioned object, the oscillating motor proportional control buffer system on articulated coach chassis of the present invention and corresponding control method and correction oil injection method by the following technical solutions:
This is used for the oscillating motor proportional control buffer system on articulated coach chassis, its main feature is, comprise tooth bar, the gear be fixedly connected with side arm and the cylinder barrel be fixedly connected with after-frame, described tooth bar comprises the first tooth bar and the second tooth bar, the first described tooth bar and the second described tooth bar engage with the both sides of described gear respectively, oil storage disc is formed between described gear and described tooth bar, the two ends of described tooth bar are provided with piston, this piston stretches in corresponding cylinder barrel, described cylinder barrel is all connected with integrated package with described oil storage disc, it is oil extraction oil circuit between described cylinder barrel and described integrated package, it is oil return circuit between described integrated package and described oil storage disc.
The piston of this first tooth bar left end be used in the oscillating motor proportional control buffer system on articulated coach chassis stretches in the first cylinder barrel, and the piston of this first tooth bar right-hand member stretches in the second cylinder barrel; The piston of the second described tooth bar left end stretches in the 3rd cylinder barrel, and the piston of this second tooth bar right-hand member stretches in the 4th cylinder barrel; The first described cylinder barrel is communicated with the 4th described cylinder barrel and forms first row oil return line, the second described cylinder barrel is communicated with the 3rd described cylinder barrel and forms second row oil return line, and described first row oil return line is all connected with described integrated package with described second row oil return line.
This first row oil return line be used in the oscillating motor proportional control buffer system on articulated coach chassis is connected to the import of the first one-way valve, described second row oil return line is connected to the import of the second one-way valve, form public laminated oil zone between the outlet of the first described one-way valve and the outlet of the second described one-way valve, this public laminated oil zone is connected with described oil storage disc by Stress control oil circuit.
This Stress control oil circuit be used in the oscillating motor proportional control buffer system on articulated coach chassis is integrated in described integrated package, this Stress control oil circuit comprises the oil circuit of three tunnel parallel connections, the first Stress control oil circuit, the second Stress control oil circuit and the 3rd Stress control oil circuit respectively, the first described Stress control oil circuit comprises proportional pressure control valve, the second described Stress control oil circuit comprises safety overflow valve, and the 3rd described Stress control oil circuit comprises solenoid directional control valve and damper.
This is used for being provided with one-way valve in the piston in the oscillating motor proportional control buffer system on articulated coach chassis, corresponding cylinder barrel is all divided into rod chamber and rodless cavity by each described piston, described rod chamber is connected with the import of this one-way valve, described rodless cavity is connected with the outlet of described one-way valve, and described rod chamber is connected with described rodless cavity and one-way valve and formed oil suction line.
The end cap flange of this cylinder barrel be used for described in any one in the oscillating motor proportional control buffer system on articulated coach chassis is fixedly connected with displacement transducer, described displacement transducer is arranged in corresponding tooth bar and piston, and this tooth bar and piston slide relative to described displacement transducer.
This first pressure measuring tie-in be used in the oscillating motor proportional control buffer system on articulated coach chassis is connected with the import of the first described one-way valve, and the second pressure measuring tie-in is connected with the import of the second described one-way valve.
This described public laminated oil zone be used in the oscillating motor proportional control buffer system on articulated coach chassis is connected with pressure transducer.
What this was used for side arm in the oscillating motor proportional control buffer system on articulated coach chassis is provided with pouring orifice and oil drain out, has been filled with air and hydraulic oil in described oil storage disc.
The method of articulated coach hydraulic cushion control should be realized based on above-mentioned hydraulic buffer system; its main feature is; when normal power supply or power-off; switching between Stress control oil circuit described in electric control system controls; meanwhile, described safety overflow valve carries out pressure protect for described hydraulic buffer system.
This realizes in the method that articulated coach hydraulic cushion controls, and described when normal power supply or power-off, the switching between the Stress control oil circuit described in electric control system controls comprises the following steps:
When normal power supply;
(a1) force value of the proportional pressure control valve described in automatical control system setting described in;
(a2) force value of the proportional pressure control valve described in the pressure sensor monitoring described in, when the force value that described pressure transducer detects is greater than the force value preset, described solenoid directional control valve and proportional pressure control valve dead electricity;
(a3) the Stress control oil circuit described in switches to the 3rd Stress control oil circuit by the first Stress control oil circuit.
When power-off;
(b1) solenoid directional control valve described in and described proportional pressure control valve dead electricity;
(b2) the Stress control oil circuit described in switches to the 3rd Stress control oil circuit by the first described Stress control oil circuit.
Described realizes in the method for articulated coach hydraulic cushion control, and the force value of the described proportional pressure control valve described in automatical control system setting comprises the following steps:
(a1-1) after the displacement transducer described in converts displacement signal to angle signal, angle signal is sent to described automatical control system, vehicle speed signal is sent to described automatical control system by whole vehicle;
(a1-2) current signal is sent to described proportional pressure control valve according to the angle signal received and vehicle speed signal by the automatical control system described in, and the proportional pressure control valve described in controlling arranges corresponding force value.
This realizes the method for articulated coach oil storage disc oil injection operation, and its main feature is, described operating method is:
Hydraulic buffer system is by using special equipment, be supplied to described gear and described tooth bar to rotate by maximum rotation angle during true use, pinion rotation band carry-over bar, piston slides in cylinder barrel, oil storage disc and cylinder barrel is made to produce negative pressure of vacuum, and then the correction oil injection method of fuel tank oil suction from outside, specifically comprise the following steps:
(c1) articulated system assembled is installed on special oiling equipment, and pouring orifice connects external fuel tank, Exhaust Open;
(c2) hydraulic buffer system is in off-position;
(c3) special oiling equipment drives articulated system to rotate repeatedly, makes hydraulic buffer system produce negative pressure of vacuum, from external fuel tank oil suction;
(c4) when relief opening discharge does not have alveolate hydraulic oil, illustrate that oiling completes;
(c5) cut off pouring orifice and external fuel tank oil circuit, be rotated further articulated system, now hydraulic buffer system is by relief opening oil extraction outward, measures and controls the oil mass of discharge, thus the AIR Proportional in control oil storage disc;
(c6) after AIR Proportional reaches design value, oiling equipment is out of service, and pouring orifice and relief opening oil block, and oiling completes.
Have employed the buffer system of this structure, compact structure, control accurately, overall stress balance, the torque drive arm of force is fixed, failure rate is low; This controlling method can guarantee the safety of whole system, can not produce the phenomenon of detonation, ensures the security of operation of articulated coach, even if there is outage condition, also can guarantee that vehicle safety opens carriage return station or maintenance station; This correction oil injection method is simple to operate, can be injected in oil storage disc by hydraulic oil rapidly, and the hydraulic oil that can effectively control in oil storage disc and AIR Proportional.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of hydraulic buffer system of the present invention.
Fig. 2 is the structural representation of hydraulic buffer system of the present invention.
Fig. 3 is the schematic diagram of tooth bar of the present invention.
Fig. 4 is the schematic diagram of integrated package of the present invention.
Fig. 5 is oiling mode schematic diagram of the present invention.
Embodiment
In order to more clearly understand technology contents of the present invention, describe in detail especially exemplified by following examples.
This is used for the oscillating motor proportional control buffer system on articulated coach chassis, comprise tooth bar, the gear be fixedly connected with side arm and the cylinder barrel be fixedly connected with after-frame 12, tooth bar comprises the first tooth bar 1 and the second tooth bar 2, first tooth bar 1 and the second tooth bar 2 engage with the both sides of gear 3 respectively, oil storage disc is formed between gear 3 and tooth bar, oil storage disc is positioned at the closed area formed inside side arm and after-frame, oil storage disc is separated by the sealing between turntable bearing inner ring and the external world, the two ends of tooth bar are provided with piston, this piston stretches in corresponding cylinder barrel, there is outside piston piston packing 17 and the piston abrasion-proof ring 16 of annular, and one-way valve mounting hole 13 and displacement transducer mounting hole 14, the side of tooth bar is engaged with gear 3, opposite side has wear rib 15.Cylinder barrel and oil storage disc are all connected with integrated package 4, integrated package there is multiple attachment hole, such as proportional pressure control valve mounting hole 41, solenoid directional control valve mounting hole 42, second oil extraction oil circuit interface 43, pressure transducer mounting hole 44, first one-way valve mounting hole 45 and safety overflow valve mounting hole 46.Being oil extraction oil circuit between cylinder barrel and integrated package 4, is oil return circuit between integrated package and oil storage disc.Articulated coach generally comprises front compartment and trunk, and side arm is fixedly connected with front compartment, and after-frame 12 is fixedly connected with trunk.
Wherein have four cylinder barrels, the end of each cylinder barrel is all fixedly connected with end cap flange, the first piston 5 of the first tooth bar 1 left end stretches in the first cylinder barrel 61, second piston 52 of this first tooth bar 1 right-hand member stretches in the second cylinder barrel 62, and the piston movement come and gone made by the first tooth bar 1 in the first cylinder barrel 61 and the second cylinder barrel 62; 3rd piston 53 of the second tooth bar 2 left end stretches in the 3rd cylinder barrel 63, and the 4th piston 54 of this second tooth bar 2 right-hand member stretches in the 4th cylinder barrel 64, and the piston movement come and gone made by the second tooth bar 2 in the 3rd cylinder barrel 63 and the 4th cylinder barrel 64; First cylinder barrel 61 is communicated with the 4th cylinder barrel 64 and forms first row oil return line, and the second cylinder barrel 62 is communicated with the 3rd cylinder barrel 63 and forms second row oil return line, and first row oil return line is all connected with integrated package 4 with second row oil return line.
First row oil return line is connected to the import of the first one-way valve 71, second row oil return line is connected to the import of the second one-way valve 72, form public laminated oil zone between the outlet of the first one-way valve 71 and the outlet of the second one-way valve 72, this public laminated oil zone is connected with oil storage disc by Stress control oil circuit.
Stress control oil circuit is integrated in integrated package 4, this Stress control oil circuit comprises three tunnels and is connected in parallel the first Stress control oil circuit, the second Stress control oil circuit and the 3rd Stress control oil circuit, first Stress control oil circuit comprises proportional pressure control valve 81, second Stress control oil circuit comprises safety overflow valve 82, and the 3rd Stress control oil circuit comprises solenoid directional control valve 83 and damper 84.
Be provided with one-way valve in piston, corresponding cylinder barrel is all divided into rod chamber and rodless cavity by each piston, and rod chamber is connected with the import of this one-way valve, and rodless cavity is connected with the outlet of one-way valve, and rod chamber and rodless cavity and one-way valve form oil suction line.
Be provided with the 3rd one-way valve 73 in first piston 51, the rod chamber of these first piston 51 both sides and rodless cavity form the first oil suction loop; Be provided with the 4th one-way valve 74 in second piston 52, the rod chamber of these the second piston 52 both sides and rodless cavity form the second oil suction loop; The rod chamber and the rodless cavity that are provided with the 5th one-way valve the 75, three piston 53 both sides in 3rd piston 53 form the 3rd oil suction loop; The 6th one-way valve the 76, four piston 54 both sides rod chamber and rodless cavity formation the 4th oil suction loop is provided with in 4th piston 54.
The end cap flange of any one cylinder barrel is fixedly connected with displacement transducer, and displacement transducer 9 is arranged in corresponding tooth bar and piston, and this piston and tooth bar slide relative to displacement transducer 9.In fig. 2, displacement transducer 9 is fixedly connected with the end cap flange of the 3rd cylinder barrel 63.
First pressure measuring tie-in 101 is connected with the import of the first one-way valve 71, and the second pressure measuring tie-in 102 is connected with the import of the second one-way valve 72.Public laminated oil zone is connected with pressure transducer 11.
Side arm be provided with pouring orifice and oil drain out, be filled with air and hydraulic oil in oil storage disc, and the volume ratio of air accounts for the certain proportion of oil storage disc volume.
The concrete action of this hydraulic buffer system is as follows:
When articulated coach rotates, drive side arm and after-frame to relatively rotate, when gear 3 rotates, drive the first tooth bar 1 and the second tooth bar 2 to move along two different directions, thus promote piston and slide in cylinder barrel.When gear 3 rotates clockwise, it drives the first tooth bar 1 to slide to the right, and the second tooth bar 2 slides left, and the fluid in the second cylinder barrel 62 and the 3rd cylinder barrel 63 is opened the second one-way valve 72 by second row oil return line and enters public laminated oil zone.
Under hydraulic buffer system powers normal situation, solenoid directional control valve 83 obtains electric, 3rd oil circuit control disconnects, the pressure of hydraulic buffer system is arranged by proportional pressure control valve 81, now, automatical control system according to received at that time the speed of a motor vehicle and the value of angle, corresponding current signal is sent to proportional pressure control valve 81, and control ratio relief valve 81 arranges the force value that electrical signal therewith matches.The signal of the speed of a motor vehicle is provided by whole vehicle, the displacement signal that angle signal is collected by displacement transducer 9 draws after converting, the force value that pressure transducer 11 controls to produce for proportional pressure control valve 81 is monitored, when the force value detected is offset to certain pressure scope, automatical control system can send alarm signal to car load, cut off the power supply of solenoid directional control valve 83 and proportional pressure control valve 81, Stress control oil circuit switches to the 3rd Stress control oil circuit by the first Stress control oil circuit simultaneously, if system for some reason power-off time, solenoid directional control valve 83 and proportional pressure control valve 81 dead electricity, Stress control oil circuit automatically switches to the 3rd Stress control oil circuit by the first Stress control oil circuit, no matter this system is controlled by the first oil circuit control or controlled by the 3rd oil circuit, as long as when the force value of hydraulic system reaches the force value of safety overflow valve 82 setting, safety overflow valve 82 will be opened, now the force value of system remains in the force value of safety overflow valve setting, the effect of safety protection can be played to system, fluid is after Stress control oil circuit, oil storage disc is returned in the mode of low pressure oil.
Being produced as follows of this hydraulic buffer system:
This system operationally, hydraulic oil is always full of in each cylinder barrel, and in oil storage disc, there is hydraulic oil and air simultaneously, hydraulic oil and air exist according to certain ratio, the pro rate of hydraulic oil and air is with when being full of hydraulic oil in cylinder barrel, the oil level in oil storage disc hides the oilhole of oil suction line on piston completely.Meanwhile, volume of air proportional control is with hydraulic oil liquid level higher than oil suction line hydraulic fluid port, and air volume is not less than 85% of oil storage disc volume for criterion.
Oiling mode adopts negative pressure of vacuum oil suction mode, as shown in Figure 5;
The oiling mode operating method of force feed is, under the complete off-position of system, pouring orifice connects outside top petrol tank 18, by the side arm 19 of special oiling equipment 20 continuous rotating hinge welding system, piston is slided in cylinder barrel, form negative pressure of vacuum, thus hydraulic oil is sucked oil storage disc, after the inner all cavitys of hydraulic buffer system are full of hydraulic oil, oil storage disc is made to produce pressure by rotary hinge welding system again, carry out oil extraction and suck air simultaneously, control oil extraction volume, be actually and control AIR Proportional in oil storage disc.
Have employed the buffer system of this structure, compact structure, control accurately, overall stress balance, the torque drive arm of force is fixed, failure rate is low; This controlling method can guarantee the safety of whole system, can not produce the phenomenon of detonation, ensures the security of operation of articulated coach, even if there is outage condition, also can guarantee that vehicle safety opens carriage return station or maintenance station; This correction oil injection method is simple to operate, can be injected in oil storage disc by hydraulic oil rapidly, and the hydraulic oil that can effectively control in oil storage disc and AIR Proportional.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (11)
1. the oscillating motor proportional control buffer system for articulated coach chassis, it is characterized in that, comprise tooth bar, the gear be fixedly connected with side arm and the cylinder barrel be fixedly connected with after-frame, described tooth bar comprises the first tooth bar and the second tooth bar, the first described tooth bar and the second described tooth bar engage with the both sides of described gear respectively, oil storage disc is formed between described gear and described tooth bar, the two ends of described tooth bar are provided with piston, this piston stretches in corresponding cylinder barrel, described cylinder barrel is all connected with integrated package with described oil storage disc, it is oil extraction oil circuit between described cylinder barrel and described integrated package, it is oil return circuit between described integrated package and described oil storage disc, the piston of the first described tooth bar left end stretches in the first cylinder barrel, the piston of this first tooth bar right-hand member stretches in the second cylinder barrel, the piston of the second described tooth bar left end stretches in the 3rd cylinder barrel, and the piston of this second tooth bar right-hand member stretches in the 4th cylinder barrel, the first described cylinder barrel is communicated with the 4th described cylinder barrel and forms first row oil return line, the second described cylinder barrel is communicated with the 3rd described cylinder barrel and forms second row oil return line, described first row oil return line is all connected with described integrated package with described second row oil return line, described first row oil return line is connected to the import of the first one-way valve, described second row oil return line is connected to the import of the second one-way valve, public laminated oil zone is formed between the outlet of the first described one-way valve and the outlet of the second described one-way valve, this public laminated oil zone is connected with described oil storage disc by Stress control oil circuit, described Stress control oil circuit is integrated in described integrated package, this Stress control oil circuit comprises the first Stress control oil circuit that three tunnels are connected in parallel, second Stress control oil circuit and the 3rd Stress control oil circuit, the first described Stress control oil circuit comprises proportional pressure control valve, the second described Stress control oil circuit comprises safety overflow valve, the 3rd described Stress control oil circuit comprises solenoid directional control valve and damper.
2. the oscillating motor proportional control buffer system for articulated coach chassis according to claim 1, it is characterized in that, one-way valve is provided with in described piston, corresponding cylinder barrel is all divided into rod chamber and rodless cavity by each described piston, described rod chamber is connected with the import of this one-way valve, described rodless cavity is connected with the outlet of described one-way valve, and described rod chamber is connected with described rodless cavity and described one-way valve and formed oil suction line.
3. the oscillating motor proportional control buffer system for articulated coach chassis according to claim 1, it is characterized in that, the end cap flange of the cylinder barrel described in any one is fixedly connected with displacement transducer, described displacement transducer is arranged in corresponding tooth bar and piston, and this tooth bar and piston slide relative to described displacement transducer.
4. the oscillating motor proportional control buffer system for articulated coach chassis according to claim 1, it is characterized in that, first pressure measuring tie-in is connected with the import of the first described one-way valve, and the second pressure measuring tie-in is connected with the import of the second described one-way valve.
5. the oscillating motor proportional control buffer system for articulated coach chassis according to claim 1, it is characterized in that, described public laminated oil zone is connected with pressure transducer.
6. the oscillating motor proportional control buffer system for articulated coach chassis according to claim 1, it is characterized in that, described side arm is provided with pouring orifice and oil drain out, has been filled with air and hydraulic oil in described oil storage disc.
7. one kind realizes the method for articulated coach hydraulic cushion control based on buffer system according to claim 1; it is characterized in that; when normal power supply or power-off; switching between Stress control oil circuit described in electric control system controls; meanwhile, described safety overflow valve carries out pressure protect for hydraulic buffer system.
8. the method realizing articulated coach hydraulic cushion and control according to claim 7, it is characterized in that, described public laminated oil zone is connected with pressure transducer, described when normal power supply or power-off, the switching between the Stress control oil circuit described in described electric control system controls comprises the following steps:
When normal power supply;
(a1) force value of the proportional pressure control valve described in automatical control system setting described in;
(a2) force value of the proportional pressure control valve described in the pressure sensor monitoring described in, when the force value that described pressure transducer detects departs from the force value preset, described solenoid directional control valve and proportional pressure control valve dead electricity;
(a3) the Stress control oil circuit described in switches to the 3rd Stress control oil circuit by the first Stress control oil circuit;
When power-off;
(b1) solenoid directional control valve described in and described proportional pressure control valve dead electricity;
(b2) the Stress control oil circuit described in switches to the 3rd Stress control oil circuit by the first described Stress control oil circuit.
9. the method realizing articulated coach hydraulic cushion and control according to claim 8, it is characterized in that, the end cap flange of the cylinder barrel described in any one is fixedly connected with displacement transducer, described displacement transducer is arranged in corresponding tooth bar and piston, this tooth bar and piston slide relative to described displacement transducer, and the force value of the described proportional pressure control valve described in automatical control system setting comprises the following steps:
(a1-1) after the displacement transducer described in converts displacement signal to angle signal, angle signal is sent to described automatical control system, vehicle speed signal is sent to described automatical control system by whole vehicle;
(a1-2) current signal is sent to described proportional pressure control valve according to the angle signal received and vehicle speed signal by the automatical control system described in, and the proportional pressure control valve described in controlling arranges corresponding force value.
10. realize a method for articulated coach oil storage disc oil injection operation for buffer system according to claim 1, it is characterized in that, the method for described operation is:
Hydraulic buffer system uses oiling equipment, be supplied to articulated system to rotate by maximum rotation angle during true use, tooth bar described in described pinion rotation drives, described piston slides in described cylinder barrel, produce negative pressure of vacuum in described oil storage disc and described cylinder barrel, hydraulic oil is from external fuel tank oil suction.
11. methods realizing articulated coach oil storage disc oil injection operation according to claim 10, it is characterized in that, described side arm is provided with pouring orifice and oil drain out, air and hydraulic oil has been filled with in described oil storage disc, described hydraulic buffer system uses oiling equipment, be supplied to articulated system to rotate by maximum rotation angle during true use, tooth bar described in described pinion rotation drives, described piston slides in described cylinder barrel, negative pressure of vacuum is produced in described oil storage disc and described cylinder barrel, hydraulic oil is from external fuel tank oil suction, specifically comprise the following steps:
(c1) buffer system of having assembled is installed on oiling equipment, the external fuel tank described in described pouring orifice connects, Exhaust Open;
(c2) hydraulic buffer system is in off-position;
(c3) oiling equipment drives articulated system to rotate repeatedly, and described buffer system produces negative pressure of vacuum, and from described external fuel tank oil suction;
(c4) when the discharge of described relief opening does not have alveolate hydraulic oil, oiling is stopped;
(c5) cut off described in the oil circuit of pouring orifice and described external fuel tank, be rotated further described gear and described tooth bar, now described relief opening oil extraction outward, measure and control the oil mass of discharge, thus the AIR Proportional in control oil storage disc;
(c6) after AIR Proportional reaches design value, described oiling equipment is out of service, and described pouring orifice and described relief opening oil block, and oiling completes.
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| CN104455165B (en) * | 2014-10-27 | 2016-08-24 | 伊卡路斯(苏州)车辆系统有限公司 | Hinging system for hinged chassis |
| CN106369011A (en) * | 2016-11-25 | 2017-02-01 | 天津尚吉液压设备有限公司 | Swing cylinder with detection feedback function |
| CN107989849B (en) * | 2017-11-21 | 2019-08-20 | 西京学院 | An integrated self-oscillating rack and pinion hydraulic cylinder |
| EP3721114B1 (en) * | 2017-12-07 | 2023-08-16 | Marelli Suspension Systems Italy S.p.A. | Rotary damper, particularly for vehicle suspension |
| CN111731053A (en) * | 2019-03-25 | 2020-10-02 | 株洲中车时代电气股份有限公司 | Intelligent damping hinge device |
| CN110836290B (en) * | 2019-11-20 | 2025-02-11 | 中国船舶重工集团公司第七一九研究所 | A swing hydraulic cylinder with damping function |
| CN116851987B (en) * | 2023-07-31 | 2024-02-02 | 江苏禾立拓智能科技有限公司 | Welding robot without dead angle in welding |
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| DE20007762U1 (en) * | 2000-04-28 | 2000-08-31 | Hemscheidt Fahrwerktechnik GmbH & Co. KG, 42781 Haan | Articulated connector element for the articulated and torsional vibration damped connection between two components |
| DE20317243U1 (en) * | 2003-11-06 | 2005-03-17 | Hemscheidt Fahrwerktech Gmbh | Valve system for hydraulic dampers used in swivel joints for articulated buses has proportional valve mounted in main current path, back-up valve in subsidiary current path being activated if power supply to first valve fails |
| CN201086609Y (en) * | 2007-08-30 | 2008-07-16 | 无锡华创伊卡露斯车辆设备有限公司 | Underpan articulated system of large articulated passenger car |
| CN201627870U (en) * | 2009-12-23 | 2010-11-10 | 谭和平 | MR (magneto rheological) damper of built-in displacement sensor |
| CN203670583U (en) * | 2013-12-20 | 2014-06-25 | 伊卡路斯(苏州)车辆系统有限公司 | Swing hydraulic cylinder proportion control buffering system used for articulated-bus chassis |
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| CN103671678A (en) | 2014-03-26 |
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